GB9216487D0 - Switchable bias circuit - Google Patents

Switchable bias circuit

Info

Publication number
GB9216487D0
GB9216487D0 GB929216487A GB9216487A GB9216487D0 GB 9216487 D0 GB9216487 D0 GB 9216487D0 GB 929216487 A GB929216487 A GB 929216487A GB 9216487 A GB9216487 A GB 9216487A GB 9216487 D0 GB9216487 D0 GB 9216487D0
Authority
GB
United Kingdom
Prior art keywords
bias circuit
switchable bias
switchable
circuit
bias
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB929216487A
Other versions
GB2269716A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Ltd
Original Assignee
Texas Instruments Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texas Instruments Ltd filed Critical Texas Instruments Ltd
Priority to GB9216487A priority Critical patent/GB2269716A/en
Publication of GB9216487D0 publication Critical patent/GB9216487D0/en
Publication of GB2269716A publication Critical patent/GB2269716A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/302—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in bipolar transistor amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB9216487A 1992-08-03 1992-08-03 Bias circuit for changing class of part of multistage amplifier Withdrawn GB2269716A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9216487A GB2269716A (en) 1992-08-03 1992-08-03 Bias circuit for changing class of part of multistage amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9216487A GB2269716A (en) 1992-08-03 1992-08-03 Bias circuit for changing class of part of multistage amplifier

Publications (2)

Publication Number Publication Date
GB9216487D0 true GB9216487D0 (en) 1992-09-16
GB2269716A GB2269716A (en) 1994-02-16

Family

ID=10719757

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9216487A Withdrawn GB2269716A (en) 1992-08-03 1992-08-03 Bias circuit for changing class of part of multistage amplifier

Country Status (1)

Country Link
GB (1) GB2269716A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432473A (en) * 1993-07-14 1995-07-11 Nokia Mobile Phones, Limited Dual mode amplifier with bias control
US5493255A (en) * 1995-03-21 1996-02-20 Nokia Mobile Phones Ltd. Bias control circuit for an RF power amplifier
JP2000332542A (en) * 1999-05-20 2000-11-30 Mitsubishi Electric Corp Bias circuit of multistage power amplifier and its bias supplying method
JP3895532B2 (en) * 2000-09-11 2007-03-22 株式会社ルネサステクノロジ High frequency power amplifier and wireless communication device
WO2002045253A1 (en) * 2000-12-01 2002-06-06 Mitsubishi Denki Kabushiki Kaisha High-frequency amplifier
WO2003005574A2 (en) * 2001-07-06 2003-01-16 Koninklijke Philips Electronics N.V. A communication system and arrangements comprising such a communication system
US7180367B2 (en) 2005-01-07 2007-02-20 U.S. Monolithics, L.L.C. Systems, methods and devices for differential active bias of multi-stage amplifiers
WO2008041063A1 (en) * 2006-10-03 2008-04-10 Freescale Semiconductor, Inc. Bias circuit and method for biasing a transistor in a class c amplifier

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896393A (en) * 1973-12-26 1975-07-22 Motorola Inc Monolithic power amplifier capable of operating class a and class ab

Also Published As

Publication number Publication date
GB2269716A (en) 1994-02-16

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)